Adjustable headboard



1. Adjustable headboard

Figure 1.1 is a perspective view of an adjustable headboard showing mynew design.

Figure 1.2 is a front view thereof.

Figure 1.3 is a back view thereof.

Figure 1.4 is a left view thereof.

Figure 1.5 is a right view thereof.

Figure 1.6 is a top view thereof.

Figure 1.7 is a bottom view thereof.

Figure 1.8 is another perspective thereof.

The broken lines shown in Figures 1.1-1.8 illustrate portions of theadjustable headboard that form no part of the claimed design.

CLAIM The ornamental design for an adjustable headboard, as shown anddescribed.